NSN 1660-00-520-8366 · NIIN 005208366 · Part number 15665
Mission Systems Orchard Park Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 04577
Government record, cited
NSN 1660-00-520-8366 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-520-8366. Manufacturer of record part number: 15665.
Also searched as1660-00-520-8366 ·
1660005208366 ·
NIIN 005208366 ·
00-520-8366 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 04577 · 15665
Manufacturer of record: Mission Systems Orchard Park Inc
Identification
NSN: 1660-00-520-8366
NIIN: 005208366
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 15665
Manufacturer: Mission Systems Orchard Park Inc
General Description
The Guide,valve, cataloged under National Stock Number 1660-00-520-8366, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Mission Systems Orchard Park Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Guide,valve
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Mission Systems Orchard Park Inc (CAGE 04577)
Technical Specifications
Parameter
Value
NSN
1660-00-520-8366
Primary Part Number
15665
Item Name
Guide,valve
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Mission Systems Orchard Park Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6105-01-185-3187POSSIBLE MATCH
MOTOR,DIRECT CURRENT
Possible match (shared part number)
1560-01-190-4932POSSIBLE MATCH
SUPPORT,STRUCTURAL COMPONENT,AIR
Possible match (shared part number)
4210-01-213-465315665POSSIBLE MATCH
BRACKET,FIRE EXTINGUISHER
Possible match (shared part number)Tyco Fire Products Lp
5305-01-290-4274P49902-28POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)Lexair Inc
4820-01-293-8595NB21566525POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
4320-01-359-6076POSSIBLE MATCH
PUMP,CENTRIFUGAL
Possible match (shared part number)
5920-01-433-4926POSSIBLE MATCH
FUSEHOLDER,BLOCK
Possible match (shared part number)
6105-01-441-3863POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)
6515-01-503-945715665POSSIBLE MATCH
CABLE,STERNAL SAW
Possible match (shared part number)Terumo Medical Corp
5340-01-590-929415665POSSIBLE MATCH
CAP,PROTECTIVE,DUST AND MOISTURE
Possible match (shared part number)Aqualung Usa, Inc
NSN 1660-00-520-8366 is a Guide,valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-00-520-8366?
NSN 1660-00-520-8366 has 1 manufacturer part number on file: 15665 (Mission Systems Orchard Park Inc).
What NSN replaces 1660-00-520-8366?
11 possible matches (shared part number, not a government interchangeability claim): 6105-01-185-3187, 1560-01-190-4932, 4210-01-213-4653. Verify interchangeability with system specifications before substitution.
Is NSN 1660-00-520-8366 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1660-00-520-8366?
NSN 1660-00-520-8366 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.